Finding the Fourth Proportional to 8,507.39, 12,763.52 and 3,574.49

Step by Step Solution

1. Step 1: Write the proportion equation
   8,507.39 : 12,763.52 = 3,574.49 : x
2. Step 2: Convert to fraction form
   8,507.39/12,763.52 = 3,574.49/x
3. Step 3: Cross multiply
   8,507.39x = 12,763.52 × 3,574.49
4. Step 4: Simplify right side
   8,507.39x = 45,623,056.73
5. Step 5: Solve for x
   x = 45,623,056.73/8,507.39
6. Step 6: Final answer
   x = 5,362.76